n (1) 刀口，利刃(sharp cutting side of a knife，tool，etc) [C]： feel the～of a sword 试一试刀刃; The knife has no～. 这把刀很钝。The blade has lost its～. 刀片已经不锋利了。

(2) 边 (narrow surfaces of a thin， flat object) [C]：(on) the～of a sheet of paper (在)纸边; The paper has deckle～s. 那张纸有毛边。 A cube has 12～s.一个立方体有12个边。〖同〗 margin，side;

(3) 边缘(界)，界线 (line or point where an object，area，etc begins or ends; border) [C]： at the water～在水边; along the～of the land 沿着地边;fall off the～of a cliff 从悬崖边上摔下; on the～of a forest 在森林边上; stand by the～of a lake 站在湖边; 〖同〗 brink，rim，verge，border; 〖反〗 center，middle;

be on a razor's edge 在危机关头;处于危险的境地：His life is on a razor's～. 他的生命危在旦夕。

on edge 紧张的：What's wrong with you? You seem all on～this morning. 你怎么了? 一上午都那么紧张。

set one's nerves/one's teeth on edge 使…… 难受：The noise set my nerves/my teeth on～. 噪音让我非常难受。

take the edge off 减轻(少)：The bread will take the～off your hunger. 吃了面包你就不那么饿了。

have (give) an (the) edge on 胜过，比……强：You have the～on me. 你比我有优势。The boy has an～on the other pupils in the class because he is more intelligent. 这个男孩比较聪明，所以比班上其他的孩子都强。In the second half of the game，the Chinese team got the～on the other team. 在比赛的下半场，中国队超过了对手。

on the edge of 处于……的边缘：on the～of a discovery/exhaustion/starvation 即将发现/几乎精疲力尽/濒于饥饿;

give sb the edge of one's tongue 痛斥某人：The mother gives her son the～of her tongue every time he makes trouble. 儿子一惹麻烦母亲就训斥他。

v (1) 使锋利，给……加上锋刃 (give an edge to; sharpen) [T+n]：You'd better～that knife; it's blunt. 那把刀钝了，你最好把它磨一磨。〖同〗 sharpen; 〖反〗 blunt;

(2) 给…… 加边(put an edge on; give a border to) [T+n，T+n+prep(with) 通常pass]： She～d the sleeves with lace. 她给袖子加上了花边。The lawn/road is～d with flower/grass. 草坪种上了鲜花/公路边种上了草。Reeds/tulips～the lake/road. 湖边长满杂草/路边长满郁金香。

(3) (使)徐徐移动，侧着移动，挤进(cause to advance or move along cautiously) [T+n+prep，I+prep，I+adv]：～one's way into/to the front of the crowd 侧身挤进人群/慢慢走到人群的前面;He～d his chair nearer to her. 他小心地把椅子朝她跟前挪了挪。～along the slippery path 沿着湿滑的小路慢慢往前走;～into the circle/conversation 挤入那个圈子/插入谈话; The tide～d slowly across the marsh. 潮水漫过沼泽。The audience began to～toward the door. 观众开始小心翼翼地朝门口移动。The long queue～d into the cinema. 长长的队伍慢慢地进入电影院。They～d gradually forward so as to avoid being seen. 他们慢慢地朝前挪动以免被人看见。Frightened by the dog，the boy began to～away (from the corner). 那个男孩被狗吓坏了，小心翼翼地(从角落里)挪开了。〖同〗 steal，sneak; 〖反〗 rush，run;

edge in 插入(进)：～a book in 把书插回原处;～in a word 插一句话;

edge out (v adv) 挤走(出); 使失败; 取代 (vt)： The ambitious young man～d out the former manager. 那个雄心勃勃的年轻人取代了原来的经理。～a product out of the market 将某种产品挤出市场;

→′edgily adv 紧张地;′edginess n 紧张;′edging n 边缘;′edgy adj 紧张的，易怒的;

【辨异】edge与border和margin的区别见BORDER。